sysTestSuite_pte.System_Tests_Raft_Couchdb_Mutual: test_08samplecc_go_50MB_TX failed due to incorrect number of transactions sent or received

self = <sysTestSuite_pte.System_Tests_Kafka_Leveldb_NOTLS testMethod=test_08samplecc_go_50MB_TX>

    def test_08samplecc_go_50MB_TX(self):
    
        # Run the test scenario: Execute invokes and query tests.
        returncode = subprocess.call("./operator.sh -t samplecc_go_50MB_TX", cwd=k8s_testsuite, shell=True)
        self.assertEqual(returncode, 0, msg=testScriptFailed)
    
        # check the counts
        count = subprocess.check_output(
                "grep \"CONSTANT INVOKE Overall transactions: sent 2 received 2\" samplecc_go_50MB_i_pteReport.txt | wc -l",
                cwd=logs_directory, shell=True)
>       self.assertEqual(int(count.strip()), 1, msg=invokeFailure)
E       AssertionError: Error: incorrect number of INVOKE transactions sent or received

sysTestSuite_pte.py:301: AssertionError

======= PTE 0 main Test Summary: executed at Wed Nov 06 2019 05:17:02 GMT-0500 (EST) =======
(testorgschannel0:sample_cc_ch0): CONSTANT INVOKE transaction stats
(testorgschannel0:sample_cc_ch0):	Total processes 1
(testorgschannel0:sample_cc_ch0):	Total transactions sent 2  received 0
(testorgschannel0:sample_cc_ch0):	failures: proposal 1  transactions 0
(testorgschannel0:sample_cc_ch0):	event: received 0  timeout 0  unreceived 1
(testorgschannel0:sample_cc_ch0):	start 1573035435278  end 1573039097197  duration 3661919 ms 
(testorgschannel0:sample_cc_ch0):	TPS 0.00
(testorgschannel0:sample_cc_ch0): peer latency stats (endorsement)
(testorgschannel0:sample_cc_ch0):	total transactions: 2  total time: 3940 ms 
(testorgschannel0:sample_cc_ch0):	min: 1175 ms  max: 2765 ms  avg: 1970.00 ms 
(testorgschannel0:sample_cc_ch0): orderer latency stats (transaction ack)
(testorgschannel0:sample_cc_ch0):	total transactions: 1  total time: 2856 ms 
(testorgschannel0:sample_cc_ch0):	min: 2856 ms  max: 2856 ms  avg: 2856.00 ms 
(testorgschannel0:sample_cc_ch0): event latency stats (end-to-end)
(testorgschannel0:sample_cc_ch0):	total transactions: 0  total time: 0 ms 
=======  CONSTANT INVOKE Overall Performance Summary  =======
    CONSTANT INVOKE Overall number of PTE: 1
    CONSTANT INVOKE Overall processes: 1
    CONSTANT INVOKE Overall transactions: sent 2 received 0
    CONSTANT INVOKE Overall failures: proposal 1 transactions 0
    CONSTANT INVOKE Overall event: received 0 timeout 0 unreceived 1
    CONSTANT INVOKE Overall time: start 1573035435278 end 1573039097197 duration 3661919
    CONSTANT INVOKE Overall CONSTANT INVOKE TPS 0.00
    CONSTANT INVOKE Overall latency summary
        CONSTANT INVOKE Overall proposals latency 2 min 1175 ms max 2765 ms avg 1970.00 ms
        CONSTANT INVOKE Overall transactions latency 1 min 2856 ms max 2856 ms avg 2856.00 ms
        CONSTANT INVOKE Overall events latency 0 min 0 ms max 0 ms avg NaN ms
        CONSTANT INVOKE Overall TEST RESULTS FAILED